rein in
verb
reined in; reining in; reins in
1
: to limit or control (someone or something)
Congress must rein in spending.
You had better rein that kid in before she gets hurt.
2
: to make (an animal) stop by using reins
The rider reined in his horse.
Examples of rein in in a Sentence
Recent Examples on the Web
Daniel’s tribe, the Coyote Valley Band of Pomo Indians, has pushed to rein in the cutting — spearheaded by his late great-grandmother, Priscilla Hunter.
—
Lila Seidman, Los Angeles Times, 10 May 2026
Sanders and Ocasio-Cortez have demanded a federal moratorium on data-center construction until the industry is reined in.
—Gideon Lewis-Kraus, New Yorker, 7 May 2026
The first imperative at this time is to rein in the executive branch and re-establish the powers granted to Congress as stated in our Constitution.
—Lucas Robinson, San Diego Union-Tribune, 7 May 2026
Research has shown that training models on datasets that include examples of constructive disagreement, factual corrections, and objectively neutral responses, can rein in this effect.
—IEEE Spectrum, 6 May 2026
See All Example Sentences for rein in
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Lila Seidman, Los Angeles Times, 10 May 2026
Sanders and Ocasio-Cortez have demanded a federal moratorium on data-center construction until the industry is reined in.
—Gideon Lewis-Kraus, New Yorker, 7 May 2026
The first imperative at this time is to rein in the executive branch and re-establish the powers granted to Congress as stated in our Constitution.
—Lucas Robinson, San Diego Union-Tribune, 7 May 2026
Research has shown that training models on datasets that include examples of constructive disagreement, factual corrections, and objectively neutral responses, can rein in this effect.
—IEEE Spectrum, 6 May 2026
See All Example Sentences for rein in
Cite this Entry
“Rein in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rein%20in. Accessed 15 May. 2026.
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